condition mean min max 12pM Fe,Midday 116.672 116.672 116.672 12pM Fe,Midnight 69.2166 66.1824 72.2508 58pM Fe,Midday 82.5896 82.5896 82.5896 58pM Fe,Midnight 50.58307142857143 0.0 72.4892 233pM Fe,Midnight 34.949600000000004 32.0858 38.4147 1160pM Fe,Midday 57.023471428571426 47.9137 64.5675 1160pM Fe,Midnight 29.000108333333333 22.9473 36.5167 High carbon,Dark 42.476346666666664 20.1203 67.9934 High carbon,Light 43.94850692307692 5.99446 80.4326 Low carbon,Dark 42.7435 42.7435 42.7435 Phloroglucinol 63.604366666666664 56.361 75.4421 Silicon starvation,12h 68.5554 68.5554 68.5554